Every library is an arsenal.

If abuses are destroyed, man must destroy them. If slaves are freed, man must free them. If new truths are discovered, man must discover them. If the naked are clothed; if the hungry are fed; if justice is done; if labor is rewarded; if superstition is driven from the mind; if the defenseless are protected, and if the right finally triumphs, all must be the work of man. The grand victories of the future must be won by man, and by man alone.

I have no reverence for any book that teaches a doctrine contrary to my reason; no reverence for any book that teaches a doctrine contrary to my heart; and, no matter how old it is, no matter how many have believed it, no matter how many have died on account of it, no matter how many live for it, I have no reverence for that book, and I am glad of it.

It is a thousand times better to have common sense without education than to have education without common sense.

A false friend, an unjust judge, a braggart, hypocrite, and tyrant, sincere in hatred, jealous, vain and revengeful, false in promise, honest in curse, suspicious, ignorant, infamous and hideous-such is the God of the Pentateuch.

Death is only perfect rest.

I would have all the professors in colleges, all the teachers in schools of every kind, including those in Sunday schools, agree that they would teach only what they know, that they would not palm off guesses as demonstrated truths.